CVE-2024-1735
criticalpriority · track · 0EPSS 0.008 · 58 %ileEUUSEPSS · scored 2026-10-28
A vulnerability has been identified in armeria-saml versions less than 1.27.2, allowing the use of malicious SAML messages to bypass authentication. All users who rely on armeria-saml older than version 1.27.2 must upgrade to 1.27.2 or later.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.3–9.1
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (4)
Products and version ranges known to be affected.
advisories (1)
Vendor and ecosystem advisories describing this.
- GHSA-4m6j-23p2-8c54Armeria SAML authentication bypass due to missing validation on unsigned SAML messages2024-02-26ghsa · osvUS
### Impact The SAML implementation provided by `armeria-saml` currently accepts unsigned SAML messages (assertions, logout requests, etc.) as they are, rather than rejecting them by default. As a result, an attacker can forge a SAML message to authenticate themselves, despite the fact that such an unsigned SAML message should be rejected. ### Patches The vulnerability has been patched in Armeria version 1.27.2. All users who rely on `armeria-saml` older than version 1.27.2 must upgrade to 1.27.2 or later. ### Workarounds There is no known workaround for this vulnerability. ### References [`SamlMessageUtil.validateSignature()`](https://github.com/line/armeria/blob/0efc776988d71be4da6e506ec8a33c2b7b43f567/saml/src/main/java/com/linecorp/armeria/server/saml/SamlMessageUtil.java#L160-L163)
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2024-1735/cnnvd
- https://github.com/line/armeria/releases/tag/armeria-1.27.2Patchcnnvd
- https://github.com/line/armeria/security/advisories/GHSA-4m6j-23p2-8c54cnnvd
- https://jvndb.jvn.jp/en/contents/2024/JVNDB-2024-003108.htmlcnnvd
- https://github.com/line/armeria/security/advisories/GHSA-4m6j-23p2-8c54enisa_euvd
- https://github.com/line/armeria/security/advisories/GHSA-4m6j-23p2-8c54Vendor Advisorynvd
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